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33888A データシート(PDF) 6 Page - Motorola, Inc |
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33888A データシート(HTML) 6 Page - Motorola, Inc |
6 / 32 page 33888 MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA 6 TERMINAL DEFINITIONS FOR PQFP Functional descriptions of many of these terminals can be found in the System/Application Information section beginning on page 19. Terminal Terminal Name Formal Name Definition 1 FSI Fail-Safe Input The Fail-Safe input terminal level determines the state of the outputs after a watchdog timeout occurs. This terminal has an internal pullup. If the FSI terminal is left to float to a logic [1], then HS0 and HS2 will turn on when in the Fail-Safe state. If the FSI terminal is tied to GND, the watchdog circuit and fail-safe operation will be disabled, thus allowing operation without a watchdog signal. 2 WDIN Watchdog Input This input terminal is a CMOS logic level input that is used to monitor system operation. If the incoming watchdog signal does not transition within the normal watchdog timeout range, the device will operate in the Fail-Safe mode. This input has an active internal pulldown. 3 FS Fault Status (Active Low) This output terminal is an open drain indication that goes active low when a fault mode is detected by the device. Specific device fault indication is given via the SO terminal. 4, 26, 27, 58, 59 VPWR Positive Power Supply These terminal connects to the positive power supply and are the source input of operational power for the device. 5 8 11 14 LS4 LS6 LS8 LS10 Low-Side Output 4 Low-Side Output 6 Low-Side Output 8 Low-Side Output 10 Each low-side terminal is one 0.6 Ω low-side output MOSFET drain, which pulls current through the connected loads. Each of the outputs is actively clamped at 53 V. These outputs are current and thermal overload protected. Maximum steady state current through each of these outputs is 500 mA. 6, 9, 12, 15 GND Ground These terminals serve as the ground for the source of the low-side output transistors as well as the logic portion of the device. FSI 1 GND LS5 LS6 LS8 LS11 VDD SO CS SCLK GND LS9 LS10 GND GND LS7 LS4 VPWR FS WDIN NC HS0 HS0 HS0 HS1 HS1 HS1 NC NC NC HS1 HS1 HS1 HS1 HS0 HS0 HS0 HS0 NC NC 14 15 16 17 18 19 20 8 9 10 12 13 11 4 5 6 7 3 2 52 39 38 37 36 35 34 33 45 44 43 41 40 42 49 48 47 46 50 51 Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
同様の部品番号 - 33888A |
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同様の説明 - 33888A |
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